CN217237723U - High-pressure Raman electrochemical cell - Google Patents
High-pressure Raman electrochemical cell Download PDFInfo
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- CN217237723U CN217237723U CN202123154916.7U CN202123154916U CN217237723U CN 217237723 U CN217237723 U CN 217237723U CN 202123154916 U CN202123154916 U CN 202123154916U CN 217237723 U CN217237723 U CN 217237723U
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Abstract
The utility model relates to the field of electrochemical electrocatalysis in-situ characterization, in particular to a high-voltage Raman electrochemical cell, which comprises an outer layer pressure-bearing body, wherein an inner layer liquid containing body is arranged in the outer layer pressure-bearing body; the bottom of the inner side of the inner liquid containing side is provided with a working electrode, and the side wall of the inner side of the inner liquid containing side is provided with a counter electrode and a reference electrode; the outer layer pressure bearing body is also provided with an air inlet and an air outlet, and the air inlet and the air outlet are communicated with the inner layer liquid containing part; an upper cover is arranged at the opening at the top of the outer layer pressure bearing body, the upper cover is hermetically connected with the outer layer pressure bearing body, a window is arranged on the upper cover, and the window is positioned above the working electrode. The utility model has the advantages that: the pressure bearing device can be applied under the normal pressure condition, and can meet the requirement of larger pressure bearing.
Description
Technical Field
The utility model relates to an electrochemistry electro-catalysis normal position sign field, concretely relates to high pressure raman electrochemistry pond.
Background
The industrial level in the world is rapidly developed at present, the demand on energy is greatly improved, and the pollution caused by the energy is increased. Meanwhile, energy conservation and conversion and utilization of waste energy are urgently needed, and the electrocatalytic reaction can convert carbon dioxide, water and the like into high-value energy such as methane, hydrogen and the like. In some electrocatalytic reactions, the reaction rate and conversion efficiency of the reaction itself are more efficient at elevated temperatures or applied pressures than at ambient temperatures and pressures. Therefore, it is necessary to study the catalytic reaction mechanism and the structure of the catalyst under high pressure. So as to develop a new catalyst with higher efficiency.
The information structures of the catalyst and species on the surface can be obtained through Raman spectroscopy in the electrochemical reaction, so that important understanding of the reaction mechanism of the catalyst and the catalytic process is deepened, Raman scattering in water is very weak, the Raman is more suitable for helping the preparation of the catalyst and the catalytic reaction in the electrocatalytic reaction taking aqueous solution as reaction solution, and the structural information of the catalyst and the species on the surface can be known through the research of the electrochemical in-situ Raman spectroscopy technology in the whole reaction process under high pressure. The electrochemical in-situ Raman cell needs to bear higher pressure, and the conventional electrochemical in-situ Raman cell cannot meet the pressure-bearing state, so that the development of a high-voltage electrochemical in-situ Raman cell suitable for a conventional Raman spectrometer is urgently needed.
With continuous deepening of electrochemistry in research and application, applying external fields of different temperatures, pressures and the like to the reaction process of the catalyst is also the key point of research, the existing electrochemical in-situ Raman cell can only test the structural information of the catalyst under the conditions of normal temperature and normal pressure, but cannot bear higher pressure conditions, so that the development and design of an in-situ test device which can be suitable for the catalyst under the condition of high pressure can be greatly helpful for the research field.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in:
in the prior art, the Raman electrochemical cell can only be applied under the normal pressure condition and cannot meet the technical problem of larger pressure-bearing requirement.
The utility model discloses a realize solving above-mentioned technical problem through following technical means:
a high-pressure Raman electrochemical cell comprises an outer layer pressure-bearing body, wherein an inner layer is arranged in the outer layer pressure-bearing body and contains liquid;
the bottom of the inner side of the inner liquid containing side is provided with a working electrode, and the side wall of the inner side of the inner liquid containing side is provided with a counter electrode and a reference electrode;
the outer layer pressure bearing body is also provided with an air inlet and an air outlet, and the air inlet and the air outlet are communicated with the inner layer liquid containing part;
an upper cover is arranged at the opening at the top of the outer layer pressure bearing body, the upper cover is hermetically connected with the outer layer pressure bearing body, a window is arranged on the upper cover, and the window is positioned above the working electrode.
The high-pressure Raman electrochemical cell in the utility model is designed according to the high-pressure condition required by the reaction, and realizes the electrochemical measurement under the high-pressure condition; the structure design also considers the test of the in-situ Raman spectrum, and the upper cover is provided with a corresponding window, so that the transmission of incident light is ensured. The in-situ Raman characterization of the catalyst in the electrochemical reaction under the high-pressure condition of different atmospheres is met, and the catalyst can be matched with most Raman spectrometers to be used. It can be applied to the fields of chemistry and materials science. The device is designed according to the high-pressure condition and the in-situ detection condition born by the sample, and can realize the research of an electrochemical three-electrode system under the pressure condition of 0-6 MPa. Meanwhile, the device also has an in-situ Raman test under a high-pressure condition, realizes the organic combination of high-pressure electrochemistry and the in-situ Raman test, and provides help for the research and cognition of a sample in an electrochemical reaction under the high-pressure condition. The pressure bearing device can be applied under the normal pressure condition, and can meet the requirement of larger pressure bearing.
Preferably, the top of the outer layer pressure bearing body is provided with a ring groove, a first sealing ring is arranged in the ring groove, and the first sealing ring is pressed in the ring groove by the upper cover to realize sealing.
Preferably, the inner bottom surface of the outer layer pressure-bearing body is provided with a spring thimble, and the working electrode is pressed on the spring thimble.
Preferably, a first stepped hole is formed in the bottom surface of the inner side of the outer layer pressure bearing body, a lower mounting piece is mounted in the first stepped hole through threads, and a second sealing ring is arranged between the lower mounting piece and the first stepped hole;
a second stepped hole is formed in the lower mounting piece, a spring thimble mounting piece is mounted in the second stepped hole through threads, and a third sealing ring is arranged between the spring thimble mounting piece and the second stepped hole;
the spring ejector pin is installed on the spring ejector pin installation part.
Preferably, the bottom of the outer layer bearing body is provided with a groove, and the groove extends to the first stepped hole from the outer side.
Preferably, a tapered hole is formed in the side wall of the outer layer pressure bearing body, an electrode connector is installed on the outer side of the tapered hole through threads, and an annular sealing piece is arranged at the tapered hole;
the inner side of the sealing piece is provided with an annular clamping sleeve, a clamping sleeve wiring copper column is installed in the clamping sleeve through threads, a sixth sealing ring is arranged between the clamping sleeve wiring copper column and the clamping sleeve, and a spring thimble is arranged at the inner end of the clamping sleeve wiring copper column and is in contact with a corresponding counter electrode and a corresponding reference electrode.
Optimally, two vertical grooves are arranged on the outer side wall of the inner layer for containing liquid, and are respectively communicated with the air inlet and the air outlet;
the top surface of the inner liquid is provided with two transverse grooves leading to the inner liquid, and the outer ends of the transverse grooves are respectively communicated with the corresponding vertical grooves.
Preferably, the bottom of the inner side of the inner layer containing liquid is provided with a stepped hole, the working electrode is installed in the stepped hole through threads, and a fourth sealing ring is arranged between the working electrode and the stepped hole.
Preferably, a copper column is installed at the bottom of the working electrode through threads, and a fifth sealing ring is arranged between the copper column and the working electrode;
and a glassy carbon sheet is arranged at the top of the working electrode.
Preferably, the upper cover is provided with a stepped hole, the window comprises an annular window cover installed in the stepped hole through threads, a window sheet is arranged between the annular window cover and the stepped hole, and a seventh sealing ring is arranged between the window sheet and the stepped hole.
The utility model has the advantages that:
the high-pressure Raman electrochemical cell in the utility model is designed according to the high-pressure condition required by the reaction, and realizes the electrochemical measurement under the high-pressure condition; the structure design also considers the test of the in-situ Raman spectrum, and the upper cover is provided with a corresponding window, so that the transmission of incident light is ensured. The in-situ Raman characterization of the catalyst in the electrochemical reaction under the high-pressure condition of different atmospheres is met, and the catalyst can be matched with most Raman spectrometers to be used. It can be applied to the fields of chemistry and material science. The device is designed according to the high-pressure condition and the in-situ detection condition born by the sample, and can realize the research of an electrochemical three-electrode system under the pressure condition of 0-6 MPa. Meanwhile, the device also has in-situ Raman testing under high-pressure conditions, realizes organic combination of high-pressure electrochemistry and in-situ Raman testing, and provides help for research and cognition on samples in electrochemical reaction under high-pressure conditions. The pressure bearing device can be applied under the normal pressure condition, and can meet the requirement of larger pressure bearing.
Drawings
Fig. 1 is a perspective view of a high-pressure raman electrochemical cell in an embodiment of the present invention;
fig. 2 is a top view of a high-pressure raman electrochemical cell in an embodiment of the present invention;
FIGS. 3-5 are sectional views, in sequence A-A, B-B, C-C of FIG. 2;
fig. 6 is a front view of a high-pressure raman electrochemical cell in an embodiment of the present invention;
FIG. 7 is a cross-sectional view taken along line D-D of FIG. 6;
fig. 8 is a perspective view of the high-pressure raman electrochemical cell in an embodiment of the present invention after the upper cover is hidden;
fig. 9 is an exploded view of a high-pressure raman electrochemical cell in an embodiment of the present invention;
wherein the content of the first and second substances,
an outer pressure-bearing body-1; an air inlet-11; outlet-12; a first seal ring-13; a spring thimble-14; a lower mounting member-15; a second seal ring-16; a spring thimble mounting member-17; a third seal ring-18; a groove-19; electrode connector-101; a sealing sheet-102; a ferrule-103; a cutting ferrule wiring copper column-104; a sixth sealing ring-105;
the inner layer contains liquid-2; a vertical groove-21; a transverse groove-22; an electrode cap-23; an eighth seal ring-24;
a working electrode-3; a fourth seal ring-31; a copper pillar-32; a fifth seal ring-33; glassy carbon sheet-34;
counter electrode-4;
a reference electrode-5;
an upper cover-6;
window-7; window cover-71; window-72; and a seventh sealing ring-73.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-3 and 9, a high-voltage raman electrochemical cell comprises an outer pressure bearing body 1, an inner liquid containing body 2, a working electrode 3, a counter electrode 4, a reference electrode 5, an upper cover 6 and a window 7.
As shown in fig. 3, an inner layer containing liquid 2 is arranged in an outer layer pressure-bearing body 1; the bottom of the inner side of the inner liquid containing layer 2 is provided with a working electrode 3, and the side wall of the inner side of the inner liquid containing layer 2 is provided with a counter electrode 4 and a reference electrode 5.
As shown in fig. 3, the outer pressure-bearing body 1 is further provided with an air inlet 11 and an air outlet 12, the air inlet 11 and the air outlet 12 have the same structure, and are both installed on the outer pressure-bearing body 1 through threads by adopting double-clamping-sleeve joints, a sealing ring is arranged between the double-clamping-sleeve joints and the outer pressure-bearing body 1 to realize sealing, the air inlet 11 and the air outlet 12 are led into the inner liquid-containing body 2, pressure conditions are produced by ventilating the air inlet 11 into the cell body, a sample is placed on the working electrode, and pressure is applied by introducing gas which does not participate in reaction. In different reaction systems, gas which reacts with the sample can be introduced selectively; the sample is under the condition of high pressure, and the test of an electrochemical three-electrode system and a Raman spectrometer is matched at the same time, so that the Raman detection of the electrochemical in-situ sample under the high pressure condition is realized. Furthermore, the air outlet is connected with an unloading valve and a pressure gauge, so that pressurization and pressure relief are facilitated.
As shown in fig. 3, an upper cover 6 is arranged at an opening at the top of the outer layer pressure-bearing body 1, the upper cover 6 is hermetically connected with the outer layer pressure-bearing body 1, a window 7 is arranged on the upper cover 6, and the window 7 is positioned above the working electrode 3.
The working electrode is led out from the bottom of the cell body, and the reference electrode and the counter electrode are respectively led out from two sides of the cell body wall. The three electrodes are sealed and fixed to prevent liquid leakage; specifically, as shown in fig. 7, a stepped hole is formed in the side wall of the inner layer liquid containing layer 2, an electrode cap 23 is installed in the stepped hole through a thread, an eighth sealing ring 24 is arranged between the electrode cap 23 and the inner layer liquid containing layer 2, and the counter electrode 4 and the reference electrode 5 are arranged in the corresponding electrode caps 23.
Specifically, as shown in fig. 3, a ring groove is formed in the top of the outer pressure-bearing body 1, a first sealing ring 13 is arranged in the ring groove, the first sealing ring 13 is pressed in the ring groove by the upper cover 6 to realize sealing, and the upper cover 6 is connected with the outer pressure-bearing body 1 through a screw.
As shown in fig. 3, a spring thimble 14 is disposed on the inner bottom surface of the outer pressure-bearing body 1, the spring thimble 14 is a prior art, and the working electrode 3 is pressed on the spring thimble 14. Specifically, a first stepped hole is formed in the bottom surface of the inner side of the outer layer pressure-bearing body 1, a lower mounting piece 15 is mounted in the first stepped hole through threads, and a second sealing ring 16 is arranged between the lower mounting piece 15 and the first stepped hole; a second stepped hole is formed in the lower mounting piece 15, a spring thimble mounting piece 17 is mounted in the second stepped hole through threads, and a third sealing ring 18 is arranged between the spring thimble mounting piece 17 and the second stepped hole; the pogo pins 14 are mounted on pogo pin mounting members 17. The bottom of the outer layer pressure bearing body 1 is provided with a groove 19, and the groove 19 extends to the first step hole from the outer side.
As shown in fig. 4-7, a tapered hole is formed in the side wall of the outer pressure-bearing body 1, an electrode connector 101 is installed on the outer side of the tapered hole through a thread, and an annular sealing sheet 102 is arranged at the tapered hole; an annular clamping sleeve 103 is arranged on the inner side of the sealing piece 102, a clamping sleeve wiring copper column 104 is installed in the clamping sleeve 103 through threads, a sixth sealing ring 105 is arranged between the clamping sleeve wiring copper column 104 and the clamping sleeve 103, a spring ejector pin 14 is arranged at the inner end of the clamping sleeve wiring copper column 104, the spring ejector pin 14 is in contact with a corresponding counter electrode 4 and a corresponding reference electrode 5, when the electrode connector 101 is screwed into the outer pressure-bearing body 1, the electrode connector 101 and the tapered hole extrude the sealing piece 102, the sealing piece 102 extrudes the clamping sleeve 103 inwards, and the clamping sleeve 103 is fixed.
The inner layer liquid 2 is made of polytetrafluoroethylene, is acid-resistant, alkali-resistant and resistant to various organic solvents, and as shown in fig. 3 and 8, two vertical grooves 21 are arranged on the outer side wall of the inner layer liquid 2, and the two vertical grooves 21 are respectively communicated with the air inlet 11 and the air outlet 12; the top surface of the inner liquid-containing layer 2 is provided with two transverse grooves 22 leading to the inner part of the inner liquid-containing layer 2, and the outer ends of the transverse grooves 22 are respectively communicated with the corresponding vertical grooves 21.
As shown in fig. 3, a stepped hole is formed at the bottom of the inner side of the inner layer containing liquid 2, the working electrode 3 is installed in the stepped hole through a thread, and a fourth sealing ring 31 is arranged between the working electrode 3 and the stepped hole. A copper column 32 is installed at the bottom of the working electrode 3 through threads, and a fifth sealing ring 33 is arranged between the copper column 32 and the working electrode 3; the top of the working electrode 3 is provided with a glassy carbon plate 34.
As shown in fig. 3, a stepped hole is formed in the upper cover 6, the window 7 includes an annular window cover 71 installed in the stepped hole through a thread, a sapphire window 72 is arranged between the annular window cover 71 and the stepped hole, the window 72 has a thickness of 3mm and can bear pressure and pass through a raman beam, and a seventh sealing ring 73 is arranged between the window 72 and the stepped hole.
The specific use flow of the in-situ device is as follows:
smearing a sample: uniformly coating a sample on a glassy carbon sheet of a working electrode;
installing an electrode: the device is horizontally placed, the liquid contained in the inner layer is taken out independently, the reference electrode and the counter electrode are sleeved with the electrode cap, the front end of the electrode cap is provided with an O-shaped sealing ring, namely an eighth sealing ring 24, the electrode cap is screwed at the electrode fixing position on the side surface of the liquid contained in the inner layer through threads on the electrode cap, and the electrode cap extrudes the sealing ring to form end face sealing. The reference electrode adopts a silver/silver chloride electrode, the counter electrode adopts a platinum wire electrode, and a wiring terminal of the fixed rear electrode does not exceed the liquid contained in the inner layer. The working electrode is screwed at the center of the inner liquid, and the joint of the working electrode and the cell body is sealed by an O-shaped sealing ring, namely, the fourth sealing ring 31 is led through a copper column. Therefore, the three electrodes are connected into the inner layer to contain liquid.
Electrode connection: the inner layer liquid is made of polytetrafluoroethylene, and can resist acid, alkali and various organic solvents. The outer layer pressure-bearing body is made of stainless steel, the shell plays a role in pressure-bearing and sealing, the outer shell comprises an electrode tip lead which is fixed by a clamping sleeve joint and wraps the outer layer of plastic, the front part of the electrode tip lead is connected with a spring thimble, the inner layer liquid is firstly aligned to a limiting groove and placed in the outer layer pressure-bearing shell, the position of an electrode lead-out wire on the upper side surface of the outer shell is adjusted, the electrode tip of an electrode just contacts the spring thimble at the front end of the electrode lead, the position of the electrode tip lead is fixed by the clamping sleeve joint after a certain spring thimble is compressed, the position of the electrode tip lead is fixed, the electrode lead of the outer shell is fixed, when the electrode is connected, the inner layer liquid is only needed to be placed into the outer layer pressure-bearing body according to the limiting groove, and the spring thimble can contact the electrode tip of the three electrodes, so as to achieve the purpose of leading;
fixing the window: the sapphire window sheet and the O-shaped sealing ring are flatly placed on the window cover 71, so that the sapphire window sheet is ensured to be placed in parallel. Then, the window cover 71 and the upper cover are fixedly connected through threads, sealing is achieved between the sapphire window sheet and the upper cover through extrusion of an O-shaped sealing ring, namely a seventh sealing ring 73, and the threads are screwed up to achieve a good sealing and fixing effect;
sealing the cavity: firstly, injecting electrolyte into the inner-layer liquid, then placing an annular sealing ring in a sealing ring groove on the outer-layer pressure bearing shell to ensure that the sealing ring is flatly placed in the sealing ring groove, then covering an upper cover on a kettle body, fixing the sealing ring by screws in alignment with screw holes, uniformly forbidding fixing the fixing bolts of the upper cover, and extruding the sealing ring by the upper cover to form end face sealing;
connecting a gas circuit: an air inlet and an air outlet are respectively arranged outside the outer liquid containing shell. Connect the gas circuit through the cutting ferrule joint and lead to the flourishing liquid of inlayer, exert pressure in the sample reaction intracavity, the gas circuit interface is fixed sealed through cutting ferrule joint and sealing washer, connects the gas control box, and the main part of the device has been installed and has been accomplished this moment, can put through the device and connect the electrochemistry workstation with the electrode wire, places under the raman spectroscopy appearance, carries out pressure control through the pressure control box, carries out the analysis of normal position raman spectroscopy under the pressure condition of difference.
The working principle is as follows:
the high-pressure Raman electrochemical cell in the utility model is designed according to the high-pressure condition required by the reaction, and realizes the electrochemical measurement under the high-pressure condition; the structure design also considers the test of the in-situ Raman spectrum, and the upper cover is provided with a corresponding window, so that the transmission of incident light is ensured. The in-situ Raman characterization of the catalyst in the electrochemical reaction under the high-pressure condition of different atmospheres is met, and the catalyst can be matched with most Raman spectrometers to be used. It can be applied to the fields of chemistry and material science. The device is designed according to the high-pressure condition and the in-situ detection condition borne by a sample, and can realize the research of an electrochemical three-electrode system under the pressure condition of 0-6 MPa. Meanwhile, the device also has in-situ Raman testing under high-pressure conditions, realizes organic combination of high-pressure electrochemistry and in-situ Raman testing, and provides help for research and cognition on samples in electrochemical reaction under high-pressure conditions. The pressure bearing device can be applied under the normal pressure condition, and can meet the requirement of larger pressure bearing.
The utility model relates to a can be applied to high-pressure electrochemistry normal position raman device in chemistry and the multidisciplinary field of materials science, the device with the sample place the working electrode in on, come the internal pressure of control cell through the pressure control case, cooperate three electrode system of electrochemistry and electrochemistry workstation to test, can cooperate the raman spectroscopy appearance to carry out normal position raman's sign simultaneously. And the in-situ Raman test of the sample under the conditions of electrochemistry and high pressure is realized.
The device is suitable for electrochemical test of samples under high pressure, and the outer layer body is of a sealed pressure-bearing structure and can be used under the high pressure condition. The outer pressure-bearing body and the inner liquid-containing body adopt a split structure, can be easily disassembled, and are easy to operate by using a contact lead mode between the two bodies. And a sapphire optical window is arranged, the window is opposite to the working electrode, and internal reaction can be observed through the optical window or in-situ Raman test can be carried out. The device detects and adjusts the pressure applied to the reaction chamber by connecting with a pressure control box. The pressure regulating range of the device is as follows: 0-6 MPa. The device is suitable for most Raman spectrometers, and the structure of the device can be reasonably changed to adapt to functional ranges such as a pressure range, a cell body solvent, a matched Raman spectrometer and the like.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A high-pressure raman electrochemical cell, characterized by: comprises an outer layer pressure-bearing body (1), wherein an inner layer liquid (2) is arranged in the outer layer pressure-bearing body (1);
the bottom of the inner side of the inner layer liquid (2) is provided with a working electrode (3), and the side wall of the inner side of the inner layer liquid (2) is provided with a counter electrode (4) and a reference electrode (5);
the outer layer pressure bearing body (1) is also provided with an air inlet (11) and an air outlet (12), and the air inlet (11) and the air outlet (12) are communicated to the inner layer liquid containing body (2);
an upper cover (6) is arranged at an opening at the top of the outer layer pressure bearing body (1), the upper cover (6) is hermetically connected with the outer layer pressure bearing body (1), a window (7) is arranged on the upper cover (6), and the window (7) is positioned above the working electrode (3).
2. The high-pressure raman electrochemical cell of claim 1, wherein: the top of the outer layer pressure bearing body (1) is provided with a ring groove, a first sealing ring (13) is arranged in the ring groove, and the first sealing ring (13) is pressed in the ring groove by an upper cover (6) to realize sealing.
3. The high-pressure raman electrochemical cell of claim 1, wherein: the inner side bottom surface of the outer layer pressure bearing body (1) is provided with a spring thimble (14), and the working electrode (3) is pressed on the spring thimble (14).
4. The high-pressure raman electrochemical cell of claim 3, wherein: a first stepped hole is formed in the bottom surface of the inner side of the outer layer pressure bearing body (1), a lower mounting piece (15) is mounted in the first stepped hole through threads, and a second sealing ring (16) is arranged between the lower mounting piece (15) and the first stepped hole;
a second stepped hole is formed in the lower mounting piece (15), a spring thimble mounting piece (17) is mounted in the second stepped hole through threads, and a third sealing ring (18) is arranged between the spring thimble mounting piece (17) and the second stepped hole;
the spring thimble (14) is arranged on the spring thimble mounting piece (17).
5. The high-pressure raman electrochemical cell of claim 4, wherein: the bottom of the outer layer bearing body (1) is provided with a groove (19), and the groove (19) extends to the first stepped hole from the outer side.
6. The high-pressure raman electrochemical cell according to claim 1, wherein: a tapered hole is formed in the side wall of the outer layer pressure bearing body (1), an electrode joint (101) is installed on the outer side of the tapered hole through threads, and an annular sealing sheet (102) is arranged at the tapered hole;
an annular clamping sleeve (103) is arranged on the inner side of the sealing piece (102), a clamping sleeve wiring copper column (104) is installed in the clamping sleeve (103) through threads, a sixth sealing ring (105) is arranged between the clamping sleeve wiring copper column (104) and the clamping sleeve (103), a spring ejector pin (14) is arranged at the inner end of the clamping sleeve wiring copper column (104), and the spring ejector pin (14) is in contact with a corresponding counter electrode (4) and a corresponding reference electrode (5).
7. The high-pressure raman electrochemical cell according to claim 1, wherein: the outer side wall of the inner layer liquid (2) is provided with two vertical grooves (21), and the two vertical grooves (21) are respectively communicated with the air inlet (11) and the air outlet (12);
the top surface of the inner layer liquid (2) is provided with two transverse grooves (22) leading to the inner part of the inner layer liquid (2), and the outer ends of the transverse grooves (22) are respectively communicated with the corresponding vertical grooves (21).
8. The high-pressure raman electrochemical cell according to claim 1, wherein: the inner side bottom of the inner layer liquid (2) is provided with a stepped hole, the working electrode (3) is installed in the stepped hole through threads, and a fourth sealing ring (31) is arranged between the working electrode (3) and the stepped hole.
9. The high-pressure raman electrochemical cell according to claim 1, wherein: a copper column (32) is installed at the bottom of the working electrode (3) through threads, and a fifth sealing ring (33) is arranged between the copper column (32) and the working electrode (3);
and a glassy carbon sheet (34) is arranged at the top of the working electrode (3).
10. The high-pressure raman electrochemical cell according to claim 1, wherein: set up the shoulder hole on upper cover (6), window (7) are provided with window piece (72) including annular window lid (71) of installing in the shoulder hole through the screw thread between annular window lid (71) and the shoulder hole, set up seventh sealing washer (73) between window piece (72) and the shoulder hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123154916.7U CN217237723U (en) | 2021-12-15 | 2021-12-15 | High-pressure Raman electrochemical cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123154916.7U CN217237723U (en) | 2021-12-15 | 2021-12-15 | High-pressure Raman electrochemical cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217237723U true CN217237723U (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123154916.7U Active CN217237723U (en) | 2021-12-15 | 2021-12-15 | High-pressure Raman electrochemical cell |
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| CN (1) | CN217237723U (en) |
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2021
- 2021-12-15 CN CN202123154916.7U patent/CN217237723U/en active Active
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